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SS 625 N06625 Heat Treated Control Line Tubing for Marine and Aerospace Applications

Brand Name:	DLX
MOQ:	1kg

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

ISO SGS

Tensile Stre00ngth (psi）:

120000

Yield Strength (psi）:

60000

Elongation (%）:

Highlight:

Marine SS 625 Control Line Tubing

Aerospace Control Line Tubing N06625

Heat Treated Control Line Tubing

Product Description

SS 625 Control Line Tubing N06625 Heat Treated Marine Aerospace

In oil and gas applications, control lines made from Alloy 825 are employed in downhole operations for hydraulic control, chemical injection, and signal transmission. They are often chosen for environments with high pressures, temperatures, and corrosive elements like hydrogen sulfide (H₂S) and carbon dioxide (CO₂). Alloy 825 provides a balance of strength, flexibility, and resistance to sour gas corrosion, making it an ideal choice for downhole tubing in offshore and onshore oil fields.

Alloy 825 (UNS N08825) is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. It is designed to provide excellent resistance to both reducing and oxidizing acids, stress-corrosion cracking, and localized attack such as pitting and crevice corrosion. Due to its superior corrosion resistance and strength, Alloy 825 is widely used in harsh environments, including oil and gas applications.

Corrosion Resistance Of Different Materials (G28 A Method)

Grade	Rate(mm/a)
N08825	≤ 0.9
N08020	≤ 0.5
N08367	≤ 0.5
N06625	≤ 0.9
N10276	≤ 10
N06200	≤ 1.5
N06022	≤ 1.0
N06600	≤ 1.0
N06601	≤ 1.0

825 825E Chemical Composition

C	Sl	Mn	P	S	Cr	Mo	Ti	Cu	Fe	Al	Ni
≤ 0.05	≤ 0.5	≤ 1.0	≤ 0.02	≤ 0.03	19.5-23.5	2.5-3.5	0.6-1.2	1.5-3	≧ 22	0-0.2	38-46

Mechanical Properties

Property	825 Mln.	825E Mln.	2507 Mln.	2205 Mln.	Max.
Tensile strength (psi)	85000	95000	116000	95000	-
Yield strength (psi)	35000	60000	80000	70000	-
Elongation (%)	30	18	15	25	-

Size Dependent Characteristics (Based Upon Nominal Tubing Dimensions)

Type	O.D. (in.)	W.T. (in.)	Maximum Theoretical Working Pressure (psi)	Minimum Theoretical Collapse Pressure (psi)	Nominal Theoretical Burst Pressure (psi)
Welded	1/4	0.035	7220	7583	21014
	1/4	0.049	10513	9979	29278
	1/4	0.065	14769	21198	55000
	1/4	0.083	34538	24861	70333
Welded	3/8	0.035	8013	9125	19901
	3/8	0.049	11485	12262	27727
	3/8	0.065	15815	15611	36894
	3/8	0.083	21047	18953	47180
Welded	1/2	0.035	5929	7024	14984
	1/2	0.049	8435	9530	20876
	1/2	0.065	11509	12282	27779
	1/2	0.083	15148	15133	35523
Seamless	1/4	0.035	12377	13000	29667
	1/4	0.049	18022	17107	41333
	1/4	0.065	25318	21198	55000
	1/4	0.083	34538	24861	70333
Seamless	3/8	0.035	8013	9125	19901
	3/8	0.049	11485	12262	27727
	3/8	0.065	15815	15611	36894
	3/8	0.083	21047	18953	47180
Seamless	1/2	0.035	5929	7024	14984
	1/2	0.049	8435	9530	20876
	1/2	0.065	11509	12282	27779
	1/2	0.083	15148	15133	35523

Key Properties of Alloy 825

Corrosion Resistance: Excellent resistance to a wide range of corrosive environments, especially sulfuric acid, phosphoric acid, and seawater. It also resists stress-corrosion cracking, making it suitable for environments with high levels of chloride.
High Strength and Durability: The alloy exhibits good mechanical properties at both room temperature and elevated temperatures up to about 538°C (1000°F).
Oxidation Resistance: Good resistance to oxidation and scaling at elevated temperatures.
Localized Corrosion Resistance: The molybdenum and copper in Alloy 825 provide resistance to reducing environments, while chromium enhances resistance to oxidizing conditions.

Applications

Key Properties:

Oil and Gas Control Lines: Alloy 825 is used in control line tubing in oil and gas applications, particularly for downhole systems exposed to corrosive environments with high chloride concentrations, acids, or sour gas. These control lines deliver hydraulic control, transmit pressure signals, or inject chemicals.
Chemical Processing: Used in chemical processing industries where sulfuric acid, phosphoric acid, and other corrosive agents are present.
Nuclear Fuel Reprocessing: The alloy is resistant to nitric acid and other radioactive environments, making it suitable for nuclear fuel reprocessing.
Heat Exchangers and Piping: Ideal for heat exchangers, piping, and tanks exposed to seawater or industrial chemicals.

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products details

SS 625 N06625 Heat Treated Control Line Tubing for Marine and Aerospace Applications

SS 625 N06625 Heat Treated Control Line Tubing for Marine and Aerospace Applications

Marine SS 625 Control Line Tubing

Aerospace Control Line Tubing N06625

Heat Treated Control Line Tubing